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Features

Producer-Gas for Engine Fuel

Conditions to be Met with the Various Fuels Used

By E. A. Allcut

The Madras Harbor Works

Sinkings the Pierhead Caisson

Production and uses of Tungsten

Bronze Finishing by means of the Brush

Hoisting Engines and Boiler Parts

Their Proper Designations

River Gagings

Illuminating Engineering

Its Guiding Principles

By Silvanus P. Thompson

The Electric Light in Medicine

Differential Indications for its Use

By A. D. Rockwell

Cartagena: “The Heroic City”

A Town with a Melodramatic History

By Isaac A. Manning

Heat Transmission

The Tercentenary of the Telescope

What the Telescope has Accomplished

By J. L. E. Dreyer

The Effect of Tides on the Earth's Crust

The Worr of Dr. Hecker at Potsdam

By CH. Lallemand

Insects vs. Fires

Two Methods of Forest Destruction

By Charles Richards Dodge

Roosevelt's Trophies

Strange Animals Shot by the Ex-President

The World's Production of Nickel

Photography Scientifically Interpreted

By Ludwig W. Guenther

Engineering Notes

Trade Notes and Formulæ

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    January 22, 1910

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